Abstract: There are provided an abrasive tape capable of suppressing contamination of a magnetic disk due to shattered abrasive particles and smoothing the surface of the magnetic disk; a method for producing an abrasive tape; and a varnishing process. An abrasive tape 1 produced according to the method for producing an abrasive tape of the invention is used in a process for varnishing a magnetic disk and produced according to a process for preparing a slurry by kneading and dispersing abrasive particles 5 and a binding agent 6; a process for forming a coating film by applying the slurry on a support 2; a process for forming an abrasive particle layer 3 by hardening the coating film; and a process for forming a coating layer 4 on the surface of the abrasive particle layer 3.

Abstract: The present disclosure relates to a process for forming a chemical mechanical planarization pad. The process includes forming a chemical mechanical planarization pad including a polymer matrix and an embedded structure by heating the polymer matrix and the embedded structure at a first temperature T1 and a first pressure P1. The chemical mechanical planarization pad is then allowed to deform at a second temperature T2 and a second pressure P2. The chemical mechanical planarization pad is then compressed at given mold cavity thickness by applying heat at a third temperature T3, wherein T1>T2, P1>P2, T1?T3.

Abstract: Earth-boring tools include a cutting element mounted to a body that comprises a metal or metal alloy, such as steel. A cutting element support member is mounted to the body rotationally behind the cutting element. The cutting element support member has an at least substantially planar support surface at a first end thereof, and a lateral side surface extending from the support surface to an opposing second end of the cutting element support member. The cutting element has a volume of superabrasive material on a first end of a substrate, and a lateral side surface extending from the first end of the substrate to an at least substantially planar back surface. The at least substantially planar back surface of the cylindrical substrate abuts an at least substantially planar support surface of the cutting element support member.

Abstract: Proposed is a method for producing a rotating disc for machining material surfaces, said disc comprising a disc-shaped main body (10), which has a central receptacle (14) for direct or indirect connection to a drive shaft, and a material machining coating (18), which is applied to a ring zone (12) of the main body (10) that is arranged on an end face, comprising the following steps: placing glass fabric mats in a mold cavity of a production tool; compressing the glass fabric mats in the production tool to form the main body (10) having a lip (16) which is configured in a section at least close to the edge; demolding the main body (10); applying the material machining coating (18) to the end face of the main body that faces away from the lip (16); stacking main bodies (10) of the same kind, each having a material machining coating (18) applied thereto, so that the lip (16) of one main body (10) is directly supported on the material machining coating (18) of a next main body (10); exerting a pressure on the

Abstract: A cutter assembly includes a substrate and at least one island. The substrate includes a surface circumscribed by a peripheral edge, a flank surface extending from the peripheral edge, and at least one pocket with an opening on the surface and spaced apart from the peripheral edge. The at least one pocket extends from the opening towards an interior of the substrate. The at least one island is in the at least one pocket, and the at least one island includes a cutting surface that is exposed by the opening of the at least one pocket.

Abstract: A high performance polishing cloth having a densified surface state with ultrafine fiber bundles uniformly dispersed therein and having excellent smoothness is provided. The polishing cloth comprises a nonwoven fabric formed by entangling the ultrafine fiber bundles formed by bundling ultrafine fibers with an average single fiber diameter of 0.05 to 2.0 ?m and a polymeric elastic material, wherein the average size of the surface fiber-napped portions constituted by the aforementioned ultrafine fiber bundles of the aforementioned nonwoven fabric in the width direction of the ultrafine fiber bundles is 50 to 180 ?M.

Abstract: A cutting element having a substrate, an abrasive layer mounted to the substrate at an interface, and a longitudinal axis extending through the abrasive layer and the substrate is disclosed, wherein the substrate has a binder material, a plurality of metal carbide grains bonded together by an amount of the binder material, and at least one binder gradient, and wherein the amount of binder material decreases along at least one direction to form the at least one binder gradient.

Abstract: A grinding wheel is manufactured such that (a) any one of particles for an abrasive grain layer and particles for a substrate layer are put into the press-mold die, and other particles are put onto the particles in the press-mold die, and then the substrate layer and the abrasive grain layer are integrally press-molded to form a non-baked grinding chip with an arcuate shape; (b) depressions are formed on the abrasive grain layer of the non-baked grinding chip; (c) the grinding chip on which the depressions are formed is baked; and (d) the plurality of baked-grinding chips are adhered to a core of the grinding wheel.

Abstract: “The invention relates to a method for producing a flap wheel (4) having a plate-shaped carrier, wherein a plurality of grinding flaps (7) overlapping in a shingle-like manner are glued to an annular carrier section (3, 5) that is centered on a rotational axis A of the flap wheel (4), wherein the carrier section (3, 5) is produced from an amorphous thermoplastic material, in particular ABS, wherein the surface (8) of the carrier section (3, 5) is activated prior to gluing, a heat-curing adhesive is applied to the activated surface (8) of the carrier section, and the grinding flaps (8) are placed and pressed onto the carrier section (5) provided with heat-curing adhesive (7).

Abstract: A surface cleaning system includes a retainer having a non-absorbing retaining surface and a surface cleaning compound retained at the retaining surface of the retainer and formed a cleaning surface overlapped thereat. The surface cleaning compound is a polymer having high density and high adhesive ability for removing imbedded contaminants from a working surface and grabbing the contaminants therefrom. The retainer is made of non-absorbing material that prevents lubricant and the surface cleaning compound being absorbed through the retainer.

Abstract: In various embodiments, a polycrystalline diamond compact (“PDC”) comprises a substrate including an interfacial surface having a raised region. The PDC comprises a polycrystalline diamond (“PCD”) table bonded to the interfacial surface of the substrate. The PCD table defines an upper surface and exhibits a thickness over the raised region. The PCD table includes a plurality of bonded diamond grains defining a plurality of interstitial regions. A first region of the PCD table adjacent to the substrate includes metal-solvent catalyst disposed interstitially between the bonded diamond grains thereof, and a leached second region of the PCD table extends inwardly from the upper surface. The interstitial regions of the leached second region are depleted of metal-solvent catalyst. The geometry of the PCD table and raised region may be selected so that residual compressive stresses therein are retained to a sufficient level after leaching to provide a damage tolerant/thermally-stable PCD table.

Abstract: Polishing pads including organic particulates in a continuous polymer phase, and methods of making and using such pads in a polishing process. In one exemplary embodiment, the polishing pads include a multiplicity of polishing elements integrally formed in a sheet. In another exemplary embodiment, the polishing elements are bonded to a support layer, for example by thermal bonding. In certain embodiments, the polishing pad may additionally include a compliant layer affixed to the support layer, and optionally, a polishing composition distribution layer.

Abstract: The present invention mainly relates to a polishing pad comprising a base material comprising fibers; a first membrane with low permeability; a two-component paste formed on the upper surface of the first membrane with low permeability for adhering the base material to the first membrane with low permeability; and a polyurethane paste formed on the lower surface of the first membrane with low permeability. A method of polishing a substrate comprising using the polishing pad and a method for manufacturing the polishing pad as described above are also provided. The polishing pad as mentioned above prevents the polishing pad from detaching from the polishing platen or head. The polishing pad is easy to be replaced without leaving residues on the polishing platen or head.

Abstract: The invention is a method of forming a layered-open-network polishing pad useful for polishing at least one of magnetic, semiconductor and optical substrates. Exposing a first and second polymer sheet or film of a photocurable polymer creates an exposure pattern in the first and second polymer sheet. The exposure pattern has elongated sections exposed to the energy source. The light exposure is of an exposure time sufficient to cure the photocurable polymer, but insufficient to cure adjacent elongated sections together. Attaching the first and second polymer sheets forms a polishing pad with the patterns of the first and second polymer sheets crossing. Curing the layered-open-network polishing pad to secure the layered-open-network polishing pad with the first and second sheets having sufficient stiffness to reduce sagging and maintain an orthogonal relationship between the elongated channels and the parallel planes of the polymer sheets.

Abstract: A method for forming a thermally stable cutting element that includes forming at least one acid infusion pathway in a polycrystalline abrasive body containing a catalyzing material to be leached; and contacting at least a portion of the at least one acid infusion pathway in the polycrystalline abrasive body with a leaching agent is disclosed.

Abstract: A method and apparatus for fabricating a cutter. The method includes obtaining a compact including a cutting surface, a bonding interface, and a sidewall extending from the perimeter of the cutting surface to the perimeter of the bonding interface. The method includes obtaining a substrate including a bonding surface, a mounting surface, and a substrate sidewall extending from the perimeter of the bonding surface to the perimeter of the mounting surface. At least a portion of the bonding interface is positioned adjacent at least a portion of the bonding surface. At least one of the substrate and the compact is rotated to produce a rotational differential therebetween. The temperature is increased on at least the bonding surface to a first temperature. The compact is coupled to the substrate to form the cutter. The apparatus includes a first holder coupled to the compact and a second holder coupled to the substrate.

Abstract: A grindstone is provided with a base (211) and a plurality of abrasive grains (210) aligned in a row and bonded on a surface (212) of the base (211). Each of the abrasive grains (210) has a relief surface (216) with a relief angle of a predetermined angle (?).

Abstract: In an embodiment, a polycrystalline diamond compact includes a substrate and a preformed polycrystalline diamond table bonded to the substrate. The table includes bonded diamond grains defining interstitial regions. The table includes an upper surface, a back surface bonded to the substrate, and at least one lateral surface extending therebetween. The table includes a first region extending inwardly from the upper surface and the lateral surface. The first region exhibits a first interstitial region concentration and includes at least one interstitial constituent disposed therein, which may be present in at least a residual amount and includes at least one metal carbonate and/or at least one metal oxide. The table includes a second bonding region adjacent to the substrate that extends inwardly from the back surface. The second bonding region exhibits a second interstitial region concentration that is greater than the first interstitial region concentration and includes a metallic infiltrant therein.

Abstract: Provided is an abrasive article comprising (a) a metallic foil having a first and second surfaces and voids therebetween, (b) a plurality of abrasive particles substantially in the voids, and (c) an alloy at least partially between the abrasive particles and the foil in the voids, wherein the alloy comprises a second component and a portion of the metallic foil near the voids. Also provided are methods of making and using such abrasive articles.

Abstract: An abrasive article including a flexible backing having opposing first and second surfaces. The first surface of the flexible backing includes abrasive features. An adhesive layer including load bearing particles and an adhesive matrix is disposed on the second surface of the flexible backing. At least a portion of the load bearing particles is substantially enveloped in the adhesive matrix and is in contact with the second surface of the polymer substrate. A rigid support is preferably attached to the adhesive layer including the load bearing particles. At least a portion of the load bearing particles is preferably in contact with the rigid support.

Abstract: A method for manufacturing a polishing pad prevents slurry leaks and provides a pad that can be used to provide high optical detection accuracy. The method for manufacturing a polishing pad includes forming a groove for injecting a light-transmitting region forming material on the back surface of a polishing layer; injecting the light-transmitting region forming material into the groove and curing the material to form a light-transmitting region; and buffing the front surface of the polishing layer to expose the light-transmitting region on the front surface.

Abstract: Cutting elements for use in earth-boring applications include a substrate, a transition layer, and a working layer. The transition layer and the working layer comprise a continuous matrix phase and a discontinuous diamond phase dispersed throughout the matrix phase. The concentration of diamond in the working layer is higher than in the transition layer. Earth-boring tools include at least one such cutting element. Methods of making cutting elements and earth-boring tools include mixing diamond crystals with matrix particles to form a mixture. The mixture is formulated in such a manner as cause the diamond crystals to comprise about 50% or more by volume of the solid matter in the mixture. The mixture is sintered to form a working layer of a cutting element that is at least substantially free of polycrystalline diamond material and that includes the diamond crystals dispersed within a continuous matrix phase formed from the matrix particles.

Abstract: An abrasive product is disclosed. The abrasive product includes a binder support substrate, a binder, an abrasive material affixed to the support substrate by the binder, and an antiloading composition on the surface of the abrasive product. The antiloading composition is a lauryl sulfate. The lauryl sulfate is the only organic antiloading compound included in the antiloading composition.

Abstract: A sheet of sandpaper includes a backing layer having opposed first and second major sides, an adhesive make coat on the second major side, abrasive particles at least partially embedded in the make coat, thereby defining an abrasive surface, and an exposed laminated non-slip layer on the first major side. Methods of making and using such sandpaper are also provided.

Abstract: A sheet of sandpaper includes a backing layer having opposed first and second major sides, an adhesive make coat on the second major side, abrasive particles at least partially embedded in the make coat, thereby defining an abrasive surface, and an exposed fibrous non-slip layer on the first major side. Methods of making and using such sandpaper are also provided.

Abstract: Polishing pads containing a phase-separated polymer blend, and methods of making and using such pads in a polishing process. In one exemplary embodiment, the polishing pads include a multiplicity of polishing elements integrally formed in a sheet. In another exemplary embodiment, the polishing elements are bonded to a support layer, for example by thermal bonding. In certain embodiments, the polishing pad may additionally include a compliant layer affixed to the support layer, and optionally, a polishing composition distribution layer.

Abstract: A polycrystalline diamond cutting element for use in rock drilling or other operations that requires very high abrasion resistance with high transverse rupture strength at temperatures above 700 degrees centigrade. The cutting element includes a diamond layer that contains pre-sintered polycrystalline diamond agglomerate (PPDA) bonded to a supporting substrate. The PPDA can be made thermally stable and can be selected to produce a cutting element with any desired abrasion resistance characteristic without affecting internal stress.

Abstract: PDC is made using a solvent catalyst that has a melting point below that of the cobalt which is used to cement the tungsten carbide supporting substrate. The lower melting temperature allows control of the amount of catalyst that remains in the interstices after HPHT sintering since the process can be done without melting the cobalt in the substrate which would flow into and completely fill the pore volume of the diamond mass.

Abstract: The invention relates to a coated boron or nitrogen containing superhard abrasive material selected from cBN, boron suboxide and boron carbide comprising: cBN, boron suboxide and/or boron carbide superhard abrasive material substrate; a primary layer of a carbide/nitride/boride forming metal, such metal preferably being Ti and preferably being substantially in the form of the carbide, nitride or boride; a secondary layer of a high melting point metal selected from W, Mo, Cr, Ni, Ta, Au, Pt, Pd and alloys thereof; and an overcoat of Ag, Ni, Cu, Au, Pd, Pt, Rh, Os, Ir, Re, combinations and alloys thereof such as bronze (Cu/Sn), silver/bronze and silver/tin, the metal of the secondary layer being different to the metal of the overcoat. The invention further relates to methods for the manufacture of such material, use of such materials in tools and tools including such material.

Abstract: Grains of superabrasive material may be infiltrated with a molten metal alloy at a relatively low temperature, and the molten metal alloy may be solidified within interstitial spaces between the grains of superabrasive material to form a solid metal alloy having the grains of superabrasive material embedded therein. The solid metal alloy with the grains of superabrasive material embedded therein may be subjected to a high pressure and high temperature process to form a polycrystalline superabrasive material. A polycrystalline superabrasive material also may be formed by depositing material on surfaces of grains of superabrasive material in a chemical vapor infiltration process to form a porous body, which then may be subjected to a high pressure and high temperature process. Polycrystalline compacts and cutting elements including such compacts may be formed using such methods.

Abstract: An inexpensive rotary grinding tool with reduced noise level of the grinding is provided. The rotary grinding tool comprises a metal disk having a grinding surface on at least a part of its surface and a holder for supporting the metal disk. The grinding surface has hard grains having a Mohs hardness in excess of 9 brazed thereon at a surface density of at least 20 grains/cm2. The holder has at its center a securing means for securing the holder on rotary shaft of a rotary drive unit. The holder and the metal disk are joined together to constitute the rotary grinding tool.

Abstract: A method of making an article of manufacture includes positioning a cemented carbide piece comprising at least 5% of the total volume of the article of manufacture, and, optionally, a non-cemented carbide piece in a void of a mold in predetermined positions to partially fill the void and define an unoccupied space. Inorganic particles are added to the mold to partially fill the unoccupied space and provide a remainder space. The cemented carbide piece, the non-cemented carbide piece if present, and the hard particles are heated and infiltrated with a molten metal or a metal alloy. The melting temperature of the molten metal or the metal alloy is less than the melting temperature of the inorganic particles. The molten metal or metal alloy in the remainder space solidifies and binds the cemented carbide piece, the non-cemented carbide piece if present, and the inorganic particles to form the article of manufacture.

Abstract: In an embodiment, a polycrystalline diamond compact (“PDC”) includes a substrate and a pre-sintered polycrystalline diamond (“PCD”) table bonded to the substrate. The pre-sintered PCD table includes an upper surface, a back surface bonded to the substrate, and at least one lateral surface extending between the upper surface and the back surface. The pre-sintered PCD table includes a region including at least a residual amount of at least one interstitial constituent disposed in at least a portion of the interstitial regions thereof, and a bonding region. The at least one interstitial constituent includes at least one metal carbonate and/or at least one metal oxide. The region extends inwardly from the upper surface and the at least one lateral surface.

Abstract: An abrasive has a plate shape with a flat surface, in which a maximum diameter of the flat surface thereof is in the range of 0.05 mm to 10 mm, and 1.5 to 100 times as the maximum diameter as thick of the abrasive, and the blast processing method is one in which this abrasive is ejected by being inclined at an incident angle with respect to a surface of a product to be treated. The ejected plate-shaped abrasive slides along the surface of the product to be treated while having the flat surface in slidable contact with the surface of the product to be treated which is an object surface to be treated, so that the surface of the product to be treated is flattened by removing the peaks only, without increasing the depth of the valleys of the roughness curve.

Abstract: The invention relates to a method of making a grinding disk, comprising the steps of: providing a cap; providing an abrasive part; placing the cap on the abrasive part to form an assembly; holding the assembly and injecting a molding material into a space between the cap and the abrasive part and into the abrasive part to bond the cap and the abrasive part. A grinding disk made by the method is also disclosed.

Abstract: Methods of forming a polycrystalline table comprise disposing a plurality of particles comprising a superabrasive material, a substrate comprising a hard material, and a catalyst material in a mold. The plurality of particles is partially sintered in the presence of the catalyst material to form a brown polycrystalline table having a first permeability attached to an end of the substrate. The substrate is removed from the brown polycrystalline table and catalyst material is removed from the brown polycrystalline table. The brown polycrystalline table is then fully sintered to form a polycrystalline table having a reduced, second permeability. Intermediate structures formed during a process of attaching a polycrystalline table to a substrate comprising a substantially fully leached brown polycrystalline table. The substantially fully leached brown polycrystalline table comprises a plurality of interbonded grains of a superabrasive material.

Abstract: Methods of forming a polycrystalline element comprise forming a polycrystalline table on a first substrate. Catalyst material may be removed from at least a portion of the polycrystalline table. The polycrystalline table and a portion of a first substrate attached to the polycrystalline table may be removed from a remainder of the first substrate. The portion of the first substrate may be attached to another substrate. Polycrystalline elements comprise a polycrystalline table attached to a portion of a first substrate on which the polycrystalline table was formed another substrate attached to the portion of the first substrate.

Abstract: A structured abrasive article comprises an at least translucent film backing and an abrasive layer disposed on the backing. The abrasive layer comprises a plurality of shaped abrasive composites. The shaped abrasive composites comprise abrasive particles dispersed in a binder. The abrasive particles consist essentially of ceria particles having an average primary particle size of less than 100 nanometers. The binder comprises a polyether acid and a reaction product of components comprising a carboxylic(meth)acrylate and a poly(meth)acrylate, and, based on a total weight of the abrasive layer, the abrasive particles are present in an amount of at least 70 percent by weight. Methods of making and using the structured abrasive article are also disclosed.

Abstract: Cutting elements have substrates including end surfaces. TSP material layers extend over only a portion of the end surfaces or extend into the substrates below the end surfaces. Bits incorporate such cutting elements.

Abstract: Superabrasive tools and methods for the making thereof are disclosed and described. In one aspect, superabrasive particles are chemically bonded to a matrix support material according to a predetermined pattern by a braze alloy. The brazing alloy may be provided as a powder, thin sheet, or sheet of amorphous alloy. A template having a plurality of apertures arranged in a predetermined pattern may be used to place the superabrasive particles on a given substrate or matrix support material.

Abstract: A cutting element is described comprising a super-hard cutting table, a substrate and a metal or alloy layer. A surface of the superhard cutting table, is joined to the substrate by means of the metal or alloy layer which is positioned between them. At least a first surface of the metal or alloy layer and at least a first surface of the cutting table are co-operatively shaped with each other such that the co-operative shaping substantially prevents relative movement between the cutting table and the metal or alloy layer.

Abstract: The present invention relates to a flexible grinding product and a method of producing the same. Such a grinding product comprises a flexible underlay (1) which consists of two layers laminated to each other. These comprise a lower base layer (2) and an upper layer (3), a cavity layer. The underlay includes a top surface (5) having at least one adhesive layer (6) arranged thereto after lamination and a layer of grinding agent (7) applied by means of the adhesive layer. The grinding product is characterized in that the layer that is coated with grinding agent includes holes which form cavities (4), whereby the cavities provide space for grinding dust and grinding residues and facilitate their removal from the surface being ground.

Abstract: In an embodiment, an abrasive compact includes ultra-hard particles which are sintered, bonded, or otherwise consolidated into a solid body. The compact also includes various physical characteristics having a continuous gradient, a multiaxial gradient, or multiple independent gradients.

Abstract: A drill bit that includes a body having a lower end face for engaging a rock formation, the end face having a plurality of raised ribs extending from the face of the bit body and separated by a plurality of channels therebetween; and at least one of the plurality of ribs having a cutting portion of the at least one rib comprising a first diamond impregnated matrix material and at least a portion of a gage surface region thereof comprising a second diamond impregnated matrix material, the gage surface region backed by a third matrix material is disclosed.

Abstract: A polycrystalline-diamond cutting element for a drill bit of a downhole tool. The cutting element includes a substrate and a diamond table bonded to the substrate. The diamond table includes a diamond filler with at least one leached polycrystalline diamond segment packed therein along at least one working surface thereof. The cutting element may be formed by positioning the diamond table on the substrate and bonding the diamond table onto the substrate such that the polycrystalline diamond segment is positioned along at least one working surface of the diamond table. A spark plasma sintering or double press operation may be used to bond the diamond table onto the substrate.

Abstract: Cutting elements have substrates including end surfaces. TSP material layers extend over only a portion of the end surfaces or extend into the substrates below the end surfaces. Bits incorporate such cutting elements.

Abstract: Cutting elements include a substrate, a thermally stable polycrystalline table comprising a superhard material secured to the substrate, and a layer of metal interposed between, and attaching the substrate and the thermally stable polycrystalline table. Methods of forming a cutting element include providing a thermally stable polycrystalline table in a mold, providing a layer of metal on the thermally stable polycrystalline table, distributing a mixture of particles comprising a plurality of hard particles and a plurality of particles comprising a matrix material on the layer of metal, and heating the mold while applying pressure to the mixture of particles to cause the mixture of particles to coalesce and form a substrate and at least partially melt the layer of metal to flow and wet the thermally stable polycrystalline table and the substrate to form an attachment therebetween.

Abstract: A cutting tip for a drilling tool includes a cemented carbide cutting base, a diamond element supported by the cutting base, and a bonding layer formed between the cutting base and the diamond element in order to bond them. The bonding layer includes diffusion layers and in which one or two or more metals selected from a group consisting of Fe, Ni, Co, Ti, Zr, W, V, Nb, Ta, Cr, Mo, and Hf diffuses into at least one of the diamond or the cement carbide.

Abstract: The present invention relates to a flexible grinding product and a method of producing the same. Such a grinding product comprises a flexible underlay (1) which consists of two layers laminated to each other. These comprise a lower base layer (2) and an upper layer (3), a cavity layer. The underlay includes a top surface (5) having at least one adhesive layer (6) arranged thereto after lamination and a layer of grinding agent (7) applied by means of the adhesive layer. The grinding product is characterized in that the layer that is coated with grinding agent includes holes which form cavities (4), whereby the cavities provide space for grinding dust and grinding residues and facilitate their removal from the surface being ground.

Abstract: Superabrasive tools and methods for the making thereof are disclosed and described. In one aspect, superabrasive particles are chemically bonded to a matrix support material according to a predetermined pattern by a braze alloy. The brazing alloy may be provided as a powder, thin sheet, or sheet of amorphous alloy. A template having a plurality of apertures arranged in a predetermined pattern may be used to place the superabrasive particles on a given substrate or matrix support material.